<template>
  <div>
     <!-- 面包屑 -->
  <el-breadcrumb separator-class="el-icon-arrow-right">
     <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
     <el-breadcrumb-item>数据统计</el-breadcrumb-item>
     <el-breadcrumb-item>收据报表</el-breadcrumb-item>
  </el-breadcrumb>
  <el-card>
     <div id="main" style="width: 750px;height:400px;"></div>
  </el-card>
  </div>
</template>

<script>
 import echarts from 'echarts'
 import _ from 'lodash'
  export default {
    name:'report',
    data () {
      return {
        //需要合并的数据
        options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
      }  
    },
    created () {
      
    },
  async  mounted () {
    // 3.基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))    
    //请求图表数据
    const result= await this.$http.get(`reports/type/1`)
    console.log(result)
    if(result.data.meta.status !=200){
      return this.$message({showClose: true,message: `获取数据图表失败`,type: 'error'})
    }
    //深拷贝合并数据
    const res= _.merge(this.options,result.data.data)
    myChart.setOption(res)
    }
  }
</script>

<style lang="less" scoped>
 .el-card{
   margin-top: 10px;
 }
</style>